Least Common Multiple (LCM) of 181 and 124
The least common multiple (LCM) of 181 and 124 is 22444.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 181 and 124?
First, calculate the GCD of 181 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 124 = 1 remainder 57 |
| 2 | 124 ÷ 57 = 2 remainder 10 |
| 3 | 57 ÷ 10 = 5 remainder 7 |
| 4 | 10 ÷ 7 = 1 remainder 3 |
| 5 | 7 ÷ 3 = 2 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 121 and 66 | 726 |
| 169 and 120 | 20280 |
| 114 and 86 | 4902 |
| 76 and 68 | 1292 |
| 27 and 91 | 2457 |